Finding the Fourth Proportional to 1,243,646.97, 1,716,212.71 and 699,782.44
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Solution
The fourth proportional to 1,243,646.97, 1,716,212.71 and 699,782.44 is: 965,688.46
Step by Step Solution
- Step 1: Write the proportion equation
1,243,646.97 : 1,716,212.71 = 699,782.44 : x - Step 2: Convert to fraction form
1,243,646.97/1,716,212.71 = 699,782.44/x - Step 3: Cross multiply
1,243,646.97x = 1,716,212.71 × 699,782.44 - Step 4: Simplify right side
1,243,646.97x = 1,200,975,517,564.91 - Step 5: Solve for x
x = 1,200,975,517,564.91/1,243,646.97 - Step 6: Final answer
x = 965,688.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.